Donny Petersen

DONNY PETERSENis the founder and operator of Heavy Duty Cycles in Toronto, Canada. His monthly column, Techline, has appeared inAmerican Iron Magazinesince 1992. Instructed privately by Harley-Davidson engineers, he has taught mechanics, designed tech-school curricula, and authored student-licensing examinations. A Toronto resident, Petersen hostsTech-Talkon Biker TV.
Ebooks
Donny’S Unauthorized Technical Guide to Harley-Davidson, 1936 to Present: Volume I: the Twin Cam
Donny’S Unauthorized Technical Guide to Harley-Davidson, 1936 to Present: Volume V: Part I of Ii—The Shovelhead: 1966 to 1985
Donny's Unauthorized Technical Guide to Harley Davidson 1936 to Present: Volume Ii: Performancing the Twin Cam
Donny’s Unauthorized Technical Guide to Harley-Davidson, 1936 to Present: Volume Iii: the Evolution: 1984 to 2000
Donny’S Unauthorized Technical Guide to Harley-Davidson, 1936 to Present: Volume Vi: the Ironhead Sportster: 1957 to 1985
Donny’S Unauthorized Technical Guide to Harley-Davidson, 1936 to Present: Volume V: Part Ii of Ii—The Shovelhead: 1966 to 1985
Donny’S Unauthorized Technical Guide to Harley-Davidson, 1936 to Present: Volume Iv: Performancing the Evolution